Daikin Stylish Series - F8-00 - System Shutdown Due to Compressor Internal Temperature Abnormality

1 | Troubleshooting
Service manual
19
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Clean the outdoor heat exchanger. See "4Maintenance"[4142].
Possible cause: Dirty outdoor heat exchanger.
2 Check that all stop valves of the refrigerant circuit are open. See
"3.2Refrigerant circuit"[4133].
Possible cause: Closed stop valve in the refrigerant circuit.
3 Perform a check of the heat exchanger thermistor. See
"2.18Thermistors"[4119].
Possible cause: Faulty heat exchanger thermistor.
4 Perform a check of the expansion valve. See "2.3Expansion valve"[454].
Possible cause: Faulty expansion valve.
5 Perform a check of the main PCB. See "2.11Main PCB"[481].
Possible cause: Faulty main PCB.
6 Check if the refrigerant circuit is correctly charged. See "3.2 Refrigerant
circuit"[4133].
Possible cause: Refrigerant overcharge.
7 Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See "3.2Refrigerant circuit"[4133].
Possible cause: Non‑condensables and/or humidity in the refrigerant circuit.
8 Check if the refrigerant circuit is clogged. See "3.2Refrigerant circuit"[4133].
Possible cause: Clogged refrigerant circuit.
9 Perform a check of the outdoor unit fan motor. See "2.12 Outdoor unit fan
motor"[489].
Possible cause: Faulty outdoor unit fan motor.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
1.5.18 F8-00 – System shutdown due to compressor internal temperature abnormality
Trigger Effect Reset
Temperature discharge
pipe thermistor exceeds
the determined limit.
Unit will stop operating. Manual reset via user
interface.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1 Perform a check of the refrigerant circuit. See "3.2Refrigerant circuit"[4133].